The news has been made official by President Bush. All the major media web outlets are now carrying biographical information about the astronauts. Here is a link to the page at ABC News (scroll down).
I, like many people, am very proud and very sad at this news. By that I mean I'm reassured knowing that they died doing something of such tremendous importance for the world, and for which they had tremendous dedication, passion, love, and enthusiasm. Their friends, colleagues, and loved ones must have been very rich in life with them, and will undoubtedly be poorer for this tragic loss.